In a cost-effectiveness analysis of vaccination for the prevention of herpes zoster, vaccination with recombinant zoster vaccine (RZV) yielded cost-effectiveness ratios lower than those for many recommended adult vaccines, including zoster vaccine live (ZVL). The hypothetical cohort of immunocompetent US adults aged ≥50 years included an intervention of vaccination with RZV (recommended 2-dose regimen), vaccination with ZVL, and no vaccination. The primary outcome was the incremental cost-effectiveness ratio (ICER). Findings of the base-case analysis included:
- For vaccination with RZV compared with no vaccination, ICERs ranged by age from $10,000 to $47,000 per quality-adjusted life-year (QALY).
- For persons aged ≥60 years, ICERs were <$60,000 per QALY.
- Vaccination with ZVL was dominated by vaccination with RZV for all age groups aged ≥60 years.
In sensitivity analysis:
- Results were most sensitive to changes in vaccine effectiveness, duration of protection, herpes zoster incidence, and probability of postherpetic neuralgia.
- Vaccination with RZV after previous administration of ZVL yielded an ICER of <$60,000 per QALY for individuals aged ≥60 years.
- In probabilistic sensitivity analyses, RZV remained the preferred strategy in at least 95% of simulations.
Prosser LA, Harpaz R, Rose AM, et al. A cost-effectiveness analysis of vaccination for prevention of herpes zoster and related complications: Input for national recommendations. [Published online ahead of print February 19, 2019]. Ann Intern Med. doi:10.7326/M18-2347.
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